CVE-2021-23894: McAfee Database Security

High severity, CVSS 8.8. EPSS: 2.2% chance of exploitation in the next 30 days.

Deserialization of untrusted data vulnerability in McAfee Database Security (DBSec) prior to 4.8.2 allows a remote unauthenticated attacker to create a reverse shell with administrator privileges on the DBSec server via carefully constructed Java serialized object sent to the DBSec server.

Affected products

• McAfee Database Security: before 4.8.2 (fixed in 4.8.2)

Published 2021-06-02. Last modified 2026-06-17.